Stages of Development (IMAGE) Pensoft Publishers Caption This image show some of the stages of development of Spinivalva gaucha, clockwise from top left: fourth-instar larva in the mine, last instar larva changing color and building the cocoon, cocoon with pupa inside visible, pupa after removing the cocoon. Credit Gilson R.P. Moreira Usage Restrictions CC-BY 3.0 License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.